Malicious code in cookie-parser-js (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c6c2bd7c1b5b363e72753401f6edebf816965a625227e6523210e4620ce9bb8a cookie-parser-js impersonates the widely used cookie-parser package: it copies TJ Holowaychuk / Doug Wilson author metadata, the description, the...

MAL-2026-10063 Malicious code in express-router-engine (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 49091d8e8923e3e709cebd14f01ee1617267bf3f9b6be99052603715b7cf9f70 The sole shipped file index.js is a heavily obfuscated RC4 + base64 string-array, 337-entry rotated array, control-flow flattening IIFE that executes...

CVE-2026-59870

A flaw was found in js-yaml, a JavaScript YAML YAML Ain't Markup Language parser. An attacker could exploit this by providing a specially crafted YAML ordered-map document. This could lead to excessive CPU consumption, resulting in a denial of service DoS for applications processing the malicious...

Linux Distros Unpatched Vulnerability : CVE-2026-59868

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - js-yaml is a JavaScript YAML parser and dumper. From 5.0.0 before 5.2.0, when merge keys are enabled, js- yaml can spend quadratic CPU time parsing a document...

@adobe/helix-docx2md (1.9.29), @adobe/helix-importer (>=3.4.141, <=3.4.143) +33 more potentially affected by CVE-2026-59868 +1 more via js-yaml (>=5.0.0, <=5.1.0)

js-yaml NPM version =5.0.0, =3.4.141, =2.2.62, =1.0.8, =0.2.12, =0.2.12, =0.2.12, =0.2.13, =0.2.12, =0.2.16, =0.2.14, =0.2.12, =0.2.17 and more Source cves: CVE-2026-59868, CVE-2026-59869 Source advisory: SNYK:JS-JSYAML-17900092...

Inefficient Algorithmic Complexity

Overview js-yaml is a human-friendly data serialization language. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in the merge key handling during YAML parsing, where each mapping in a chain re-enumerates the keys inherited from the previous mapping. An...

02-infrastructure (1.0.0), 02vue_toast_demo (>=1.0.0, <=1.0.4) +21427 more potentially affected by CVE-2026-59869 via js-yaml (>=3.0.0, <=3.14.2)

js-yaml NPM version =3.0.0, =1.0.0, =1.0.4, =5.0.0, =1.0.3, =2.0.0, =0.0.1, =0.0.2 - 23g-base-css 1.0.0 and more Source cves: CVE-2026-59869 Source advisory: SNYK:JS-JSYAML-17900054...

Inefficient Algorithmic Complexity

Overview js-yaml is a human-friendly data serialization language. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in merge key handling during YAML parsing, where each mapping in a chain re-enumerates the keys inherited from the previous mapping. An attacker...

Inefficient Algorithmic Complexity

Overview org.webjars.npm:js-yaml is a human-friendly data serialization language. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in merge key handling during YAML parsing, where each mapping in a chain re-enumerates the keys inherited from the previous...

02.aula (1.0.0), 0xrtest (1.0.0) +10530 more potentially affected by CVE-2026-59869 via js-yaml (>=4.0.0, <=4.2.0)

js-yaml NPM version =4.0.0, =0.2.0, =0.0.3, =4.11.0, =0.0.1, =1.1.9, =0.1.23, =0.1.4, =6.1.5, =0.2.0, =0.2.0, =0.14.0 and more Source cves: CVE-2026-59869 Source advisory: SNYK:JS-JSYAML-17900054...

Inefficient Algorithmic Complexity

Overview js-yaml is a human-friendly data serialization language. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in the omapTag.addItem function of src/tag/sequence/omap.ts, which performs a linear scan for duplicate keys on every insertion into an ordered...

@adobe/aem-cli (>=16.21.1, <=16.21.2), @adobe/helix-docx2md (>=1.9.29, <=1.9.30) +48 more potentially affected by CVE-2026-59870 via js-yaml (>=5.0.0, <=5.2.0)

js-yaml NPM version =5.0.0, =16.21.1, =1.9.29, =3.4.141, =7.1.20, =2.2.62, =1.5.3, =1.0.8, =0.0.0-next-20260630092247, =0.0.0-next-20260630092247, =0.0.0-next-20260630092247, =0.0.0-next-20260824173136 and more Source cves: CVE-2026-59870 Source advisory: SNYK:JS-JSYAML-17900063...

CVE-2026-59879

Immutable.js provides many Persistent Immutable data structures. Prior to 4.3.9 and 5.1.8, Listset, ListsetSize, ListsetIn, ListupdateIn, and the functional set, setIn, and updateIn mishandle an index or size in the range 2 30 to 2 31 in setListBounds in src/List.js, causing an empty List to ente...

CVE-2026-59870

js-yaml is a JavaScript YAML parser and dumper. From 5.0.0 before 5.2.1, YAML11SCHEMA support for the !!omap tag in src/tag/sequence/omap.ts uses omapTag.addItem to perform a linear duplicate-key scan on every insertion, causing On^2 CPU consumption when yaml.load parses a crafted ordered-map...

AZL-92192 CVE-2026-59869 affecting package js-jquery 3.5.0-4

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 before 3.15.0 and from 4.0.0 before 4.3.0, js-yaml can spend quadratic CPU time parsing a document whose size grows only linearly when a chain of mappings uses merge keys where each mapping merges the previous one. This issue is fixed in...

CVE-2026-59869

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 before 3.15.0 and from 4.0.0 before 4.3.0, js-yaml can spend quadratic CPU time parsing a document whose size grows only linearly when a chain of mappings uses merge keys where each mapping merges the previous one. This issue is fixed in...

CVE-2026-59869

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 before 3.15.0 and from 4.0.0 before 4.3.0, js-yaml can spend quadratic CPU time parsing a document whose size grows only linearly when a chain of mappings uses merge keys where each mapping merges the previous one. This issue is fixed in...

UBUNTU-CVE-2026-59870

js-yaml is a JavaScript YAML parser and dumper. From 5.0.0 before 5.2.1, YAML11SCHEMA support for the !!omap tag in src/tag/sequence/omap.ts uses omapTag.addItem to perform a linear duplicate-key scan on every insertion, causing On^2 CPU consumption when yaml.load parses a crafted ordered-map...

CVE-2026-59879 Immutable.js `List` 32-bit trie overflow → unrecoverable DoS

Immutable.js provides many Persistent Immutable data structures. Prior to 4.3.9 and 5.1.8, Listset, ListsetSize, ListsetIn, ListupdateIn, and the functional set, setIn, and updateIn mishandle an index or size in the range 2 30 to 2 31 in setListBounds in src/List.js, causing an empty List to ente...

CVE-2026-59868 js-yaml: YAML merge-key chains can force quadratic CPU consumption

js-yaml is a JavaScript YAML parser and dumper. From 5.0.0 before 5.2.0, when merge keys are enabled, js-yaml can spend quadratic CPU time parsing a document whose size grows only linearly when a chain of mappings uses merge keys where each mapping merges the previous one. This issue is fixed in...